Sealing and prevention of rubber melt pump. the rubber melt pump developed by zhengzhou batte melt pump factory has been widely used in polybutadiene rubber, chlorobutadiene rubber, weather rubber and. learn more »Gear melt pump factory, manufacturers, suppliers from china, we focus on to make excellent quality products to supply service for our clients to establish long-term win-win relationship.Melt pump for extruder machine manufacturers, factory, suppliers from china, if you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. we are looking forward to forming successful business relationships with new clients around the world in Since injection moulding process is cyclic with varying load during the cycle time the variable delivery pump with accumulator is the best choice for the injection moulding machine. best economy of energy is achieved when the pump is utilised at near it's rated capacity.